Lavatory fixture unit



FIG. 1 is a front perspective view of a lavatory fixture unit showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a rear view thereof; and

FIG. 4 is a bottom plan view thereof.

The broken line representation of a portion of counter top in FIGS. 1 through 4 is for purposes of illustration only. 

The ornamental design for a lavatory fixture unit, substantially as shown and described. 